He currently plays for Internacional Women, wearing the number 2 shirt. At the international level, he represents Uruguay Women. He plays primarily as a Defender. He stands at 162cm tall and weighs 56kg.

Throughout the Brazil W L 2025, Stephanie lacoste featured in 13 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.